




Thermotec 4-Zero™ Fire Retardant Pipe Insulation
Thermotec 4-Zero is a fire retardant closed-cell pipe insulation product from Thermotec, featuring a factory-applied reinforced aluminium foil covering for fire performance. It is used to insulate hot and cold water, HVAC, and mechanical services pipework in commercial and residential buildings.
Specifications
- Facing: Factory-applied reinforced aluminium foil covering
- Wall thickness: 25 mm (all diameters)
- Unit length: 1000 mm
- Internal diameters available (mm): 13, 20, 25, 32, 39, 51, 65, 76, 89, 102
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Units per bag:
- 13 mm: 54 units
- 20 mm: 40 units
- 25 mm: 35 units
- 32 mm: 34 units
- 39 mm: 26 units
- 51 mm: 20 units
- 65 mm: 15 units
- 76 mm: 14 units
- 89 mm: 12 units
- 102 mm: 9 units
- Dimensions measured from: Internal diameter
- Origin: Australian-made
Applications
Thermotec 4-Zero is used for thermal insulation of hot and cold water, HVAC, and mechanical services pipework in commercial and residential construction. The reinforced aluminium foil facing provides fire performance suitable for use in regulated building environments, and the range of diameters from 13 mm to 102 mm covers the majority of standard plumbing and HVAC pipe sizes.
Standards and compliance
Fire performance is in accordance with AS 1530.3. The product meets Green Star low VOC compliance requirements.
Frequently asked questions
What pipe diameters does Thermotec 4-Zero cover?
It is available for internal pipe diameters from 13 mm to 102 mm, covering 13, 20, 25, 32, 39, 51, 65, 76, 89, and 102 mm. All sizes have a 25 mm wall thickness.
What fire standard does it meet?
Thermotec 4-Zero meets fire performance requirements in accordance with AS 1530.3, achieved through the factory-applied reinforced aluminium foil covering.
Does it comply with Green Star requirements?
Yes. The product has been tested and meets all Green Star low VOC compliance requirements.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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FAQs
What is your return policy?
All refunds and returns are determined by the manufacturer's terms of sale. Change-of-mind refunds are not accepted, but all valid warranty claims will be managed by AKA Acoustics in compliance with consumer law.
How long will it take to receive my order?
Freight lead times will be provided upon order confirmation. Standard items typically ship within 4–6 weeks, while custom orders may take 6–12 weeks.
Is my payment information secure?
Yes, all payments are securely processed through Stripe and are protected under their Terms of Service. AKA Acoustics do not store any payment information ourselves.
How are freight costs calculated?
Freight costs are determined at the time of quotation to ensure accurate pricing based on your specific order. For any questions, please email sales@akaacoustics.com
How can I contact support?
For account inquiries, email accounts@akaacoustics.com. For order support, email sales@akaacoustics.com.

